X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FTarget%2FTargetFrameLowering.h;h=cadd07d71f12d8a46bc04710518ded1657277985;hb=2b762697564ca1e12e0e974e93ceeb4c3420505c;hp=3485ed6df8b4423b9d2ad0a5c5646def8223655d;hpb=3b3752c898d041fcab9455581136ebc6de921610;p=oota-llvm.git

diff --git a/include/llvm/Target/TargetFrameLowering.h b/include/llvm/Target/TargetFrameLowering.h
index 3485ed6df8b..cadd07d71f1 100644
--- a/include/llvm/Target/TargetFrameLowering.h
+++ b/include/llvm/Target/TargetFrameLowering.h
@@ -150,7 +150,7 @@ public:
   virtual bool enableShrinkWrapping(const MachineFunction &MF) const {
     return false;
   }
-  
+
   /// emitProlog/emitEpilog - These methods insert prolog and epilog code into
   /// the function.
   virtual void emitPrologue(MachineFunction &MF,
@@ -158,6 +158,10 @@ public:
   virtual void emitEpilogue(MachineFunction &MF,
                             MachineBasicBlock &MBB) const = 0;
 
+  /// Replace a StackProbe stub (if any) with the actual probe code inline
+  virtual void inlineStackProbe(MachineFunction &MF,
+                                MachineBasicBlock &PrologueMBB) const {}
+
   /// Adjust the prologue to have the function use segmented stacks. This works
   /// by adding a check even before the "normal" function prologue.
   virtual void adjustForSegmentedStacks(MachineFunction &MF,
@@ -236,10 +240,11 @@ public:
                                      unsigned &FrameReg) const;
 
   /// Same as above, except that the 'base register' will always be RSP, not
-  /// RBP on x86.  This is used exclusively for lowering STATEPOINT nodes.
+  /// RBP on x86. This is generally used for emitting statepoint or EH tables
+  /// that use offsets from RSP.
   /// TODO: This should really be a parameterizable choice.
   virtual int getFrameIndexReferenceFromSP(const MachineFunction &MF, int FI,
-                                          unsigned &FrameReg) const {
+                                           unsigned &FrameReg) const {
     // default to calling normal version, we override this on x86 only
     llvm_unreachable("unimplemented for non-x86");
     return 0;
@@ -264,6 +269,10 @@ public:
                                              RegScavenger *RS = nullptr) const {
   }
 
+  virtual unsigned getWinEHParentFrameOffset(const MachineFunction &MF) const {
+    report_fatal_error("WinEH not implemented for this target");
+  }
+
   /// eliminateCallFramePseudoInstr - This method is called during prolog/epilog
   /// code insertion to eliminate call frame setup and destroy pseudo
   /// instructions (but only if the Target is using them).  It is responsible